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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * The Universal Permissive License (UPL), Version 1.0
 *
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 * person obtaining a copy of this software, associated documentation and/or
 * data (collectively the "Software"), free of charge and under any and all
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 * (a) the Software, and
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 * (b) any piece of software and/or hardware listed in the lrgrwrks.txt file if
 * one is included with the Software each a "Larger Work" to which the Software
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 * Software and the Larger Work(s), and to sublicense the foregoing rights on
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package com.oracle.truffle.api.debug.test;

import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertSame;

import org.graalvm.polyglot.Engine;
import org.junit.Test;

import com.oracle.truffle.api.InstrumentInfo;
import com.oracle.truffle.api.debug.Debugger;
import com.oracle.truffle.api.instrumentation.TruffleInstrument;

/**
 * Test that debugger is accessible to instruments.
 */
public class InstrumentLookupTest {

    @Test
    public void testCanAccessDebuggerPolyglot() {
        Engine engine = Engine.create();
        Debugger debugger = engine.getInstruments().get("debugger").lookup(Debugger.class);

        Debugger debugger2 = Debugger.find(engine);
        assertSame(debugger, debugger2);
        assertNotNull(debugger);
    }

    @TruffleInstrument.Registration(id = "testAccessInstrument", services = DebuggerProvider.class)
    public static class TestAccessInstrument extends TruffleInstrument implements DebuggerProvider {

        private Debugger debugger;

        @Override
        protected void onCreate(final TruffleInstrument.Env env) {
            InstrumentInfo debuggerInfo = env.getInstruments().get("debugger");
            debugger = env.lookup(debuggerInfo, Debugger.class);
            env.registerService(this);
        }

        @Override
        protected void onDispose(TruffleInstrument.Env env) {
        }

        @Override
        public Debugger getDebugger() {
            return debugger;
        }

    }

    interface DebuggerProvider {
        Debugger getDebugger();
    }

}
